Stable Isotopic Variation of Storm Discharge from a Perennial Karst Spring, Indiana

Citation

Material Information

Title:
Stable Isotopic Variation of Storm Discharge from a Perennial Karst Spring, Indiana
Series Title:
Water Resources Research
Creator:
Lakey, Barbara
Krothe, Noel C.
Publication Date:
Language:
English

Subjects

Subjects / Keywords:
Stable Isotopic Variation Of Storm Discharge From A Perennial Karst Spring, Indiana ( local )
Genre:
serial ( sobekcm )

Notes

Abstract:
Oxygen and deuterium isotopes and major‐ion chemistry of water from a large karst spring were used in an attempt to decipher water recharge, transmission, and storage characteristics of a karst aquifer system. Ionic concentrations and isotopic data indicated that the bulk of discharge during peak flow was derived from groundwater storage. Isotopic hydrograph separation of storm flow revealed that maximum rainwater contribution to discharge was 18 to 24 hours after peak flow and rainwater contributed 20 to 25% of spring discharge over the monitoring periods. Water released from phreatic and vadose conduit storage may have contributed to discharge with the onset of storm flow, while water from soil moisture and epikarst storage may have arrived during initial discharge recession.
Original Version:
Water Resources Research, Vol. 32, no. 3 (1996-03-01).

Record Information

Source Institution:
University of South Florida Library
Holding Location:
University of South Florida
Rights Management:
This object is protected by copyright, and is made available here for research and educational purposes. Permission to reuse, publish, or reproduce the object beyond the bounds of Fair Use or other exemptions to copyright law must be obtained from the copyright holder.

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University of South Florida
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